Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-13707

Severity CVSS v4.0:
NONE
Type:
Unavailable / Other
Publication date:
01/07/2026
Last modified:
13/07/2026

Description

Session fixation vulnerability in Wikimedia Foundation OAuth.<br /> <br /> This vulnerability is associated with program files src/Backend/MWOAuthServer.Php.<br /> <br /> <br /> <br /> This issue affects OAuth: from * through 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 0.00 NONE
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): Passsive
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
0.00
Severity 4.0
NONE
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L CVSS v3.1 Severity and Metrics:

Base Score: 7.60 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): Low

Base Score 3.x
7.60
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.43.0 (including) 1.43.9 (excluding)
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.44.0 (including) 1.44.6 (excluding)
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1.45.0 (including) 1.45.4 (excluding)
cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools